基于Shearlet变换的非局部均值地震噪声压制
王金刚1,2(
), 安勇1,2(), 徐振旺3
), 安勇1,2(), 徐振旺3
Seismic noise suppression using non-local means algorithm based on the Shearlet transform
WANG Jin-Gang1,2(), AN Yong1,2(), XU Zhen-Wang3
), AN Yong1,2(), XU Zhen-Wang3
图3. 不同噪声水平下PSNR随平滑参数变化
Fig.3. The variation of PSNR with smoothing parameters under different noise levels
